Suspicious Scheduled Task Name As GUID (via process_creation)

This rule detects creation of a scheduled task with a GUID like name

SigmamediumWindowsv1
sigma
title: Suspicious Scheduled Task Name As GUID (via process_creation)
id: 431ecf34-900d-5619-a14c-d264f6d5429e
status: stable
description: This rule detects creation of a scheduled task with a GUID like name
references:
    - https://attack.mitre.org/techniques/T1053/005/
    - https://thedfirreport.com/2022/10/31/follina-exploit-leads-to-domain-compromise/
    - https://thedfirreport.com/2022/02/21/qbot-and-zerologon-lead-to-full-domain-compromise/
author: Huntrule Team
date: 2026-07-20
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.execution
    - attack.t1053.005
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        Image|endswith: '\schtasks.exe'
        CommandLine|contains: '/Create '
    selection_tn:
        CommandLine|contains:
            - '/TN "{'
            - "/TN '{"
            - "/TN {"
    selection_end:
        CommandLine|contains:
            - '}"'
            - "}'"
            - '} '
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.